2020 Nebraska Water Management Demonstration Network ET Gage Data

Site #11

Holdrege 7 Northeast - NW1/4 Section 25-T7N-R18W, Phelps County

Date Read

5/11/20

5/18/20

5/25/20

6/1/20

6/8/20

6/15/20

6/22/20

6/29/20

7/6/20

7/13/20

7/20/20

7/27/20

8/3/20

8/10/20

8/17/20

8/24/20

8/31/20

9/7/20

9/14/20

ET Gage Change for period

Date

n/a

0.50

1.50

2.60

2.30

1.90

2.00

1.70

1.90

1.60

1.30

1.40

1.50

1.90

n/a

Rainfall for period

n/a

4.59

0.00

0.27

0.32

0.49

0.20

0.10

0.59

0.60

1.49

0.10

0.19

0.00

n/a

Corn

Crop ET Factor

Weekly Crop Water Use for Corn by Stage of Growth

V2 - 2 leaf

0.10

######

0.05

0.15

0.26

0.23

0.19

0.20

0.17

0.19

0.16

0.13

0.14

0.15

0.19

######

V4 - 4 leaf

0.18

######

0.09

0.27

0.47

0.41

0.34

0.36

0.31

0.34

0.29

0.23

0.25

0.27

0.34

######

V5 - 6 leaf

0.35

0.53

0.91

0.81

0.67

0.70

0.60

0.67

0.56

0.46

0.49

0.53

0.67

######

V8 - 8 leaf

0.51

0.77

1.33

1.17

0.97

1.02

0.87

0.97

0.82

0.66

0.71

0.77

0.97

######

V10 - 10 leaf

0.69

1.79

1.59

1.31

1.38

1.17

1.31

1.10

0.90

0.97

1.04

1.31

######

V12 - 12 leaf

0.88

2.02

1.67

1.76

1.50

1.67

1.41

1.14

1.23

1.32

1.67

######

V14 - 14 leaf

1.01

1.92

2.02

1.72

1.92

1.62

1.31

1.41

1.52

1.92

######

V16 - 16 leaf

1.10

1.87

2.09

1.76

1.43

1.54

1.65

2.09

######

R1 - silk

1.10

1.87

2.09

1.76

1.43

1.54

1.65

2.09

######

Blister

1.10

2.09

1.76

1.43

1.54

1.65

2.09

######

Dough

1.10

1.76

1.43

1.54

1.65

2.09

######

Beg-Full dent

1.10

1.54

1.65

2.09

######

Black layer

0.60

0.90

1.14

######

= Observed stage of growth at site; use the ET rate corresponding to crop maturity in your field

Date Read

5/11/20

5/18/20

5/25/20

6/1/20

6/8/20

6/15/20

6/22/20

6/29/20

7/6/20

7/13/20

7/20/20

7/27/20

8/3/20

8/10/20

8/17/20

8/24/20

8/31/20

9/7/20

9/14/20

ET Gage Change for period

Date

n/a

0.50

1.50

2.60

2.30

1.90

2.00

1.70

1.90

1.60

1.30

1.40

1.50

1.90

n/a

Rainfall for period

n/a

4.59

0.00

0.27

0.32

0.49

0.20

0.10

0.59

0.60

1.49

0.10

0.19

0.00

n/a

Soybeans

Weekly Crop Water Use for Soybeans by Stage of Growth

VC - cotyedons

0.10

0.05

0.15

0.26

0.23

0.19

0.20

0.17

0.19

0.16

0.13

0.14

0.15

0.19

######

V1 - 1st node

0.20

0.10

0.30

0.52

0.46

0.38

0.40

0.34

0.38

0.32

0.26

0.28

0.30

0.38

######

V2 - 2nd node

0.40

1.04

0.92

0.76

0.80

0.68

0.76

0.64

0.52

0.56

0.60

0.76

######

V3 - 3rd node

0.60

1.38

1.14

1.20

1.02

1.14

0.96

0.78

0.84

0.90

1.14

######

R1 - beg. bloom

0.90

1.71

1.80

1.53

1.71

1.44

1.17

1.26

1.35

1.71

######

R2 - full bloom

1.10

1.87

2.09

1.76

1.43

1.54

1.65

2.09

######

R3 - beg. pod elongation

1.10

2.09

1.76

1.43

1.54

1.65

2.09

######

R4 - end pod elongation

1.10

1.76

1.43

1.54

1.65

2.09

######

R5 - beg. seed elargement

1.10

1.43

1.54

1.65

2.09

######

R6 - end seed enlargement

1.10

1.54

1.65

2.09

######

R7 - beg. maturity

0.90

1.26

1.35

1.71

######

R8 - mature

0.00

######